US2268273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile finishing
Assignee: Carbide and Carbon Chemicals Corp
•
Filing: 1939-05-27
•
Granted: 1941-12-30
•
Expires: 1959-05-27
Abstract
No abstract record available.
Inventors
- 👤 Benjamin G Wilkes
- 👤 Alexander L Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:43
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/46; D06M13/47; D06M13/473; D06M13/35; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2352
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-12-29 | 1945-06-30 | 1945-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-29 | 1949-06-30 | 1949-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-29 | 1953-06-30 | 1953-12-30 | $7700.00 | Window Closed / Lapsed |